page{
  height: 100%;
  width:100%;
  
  
}
.three_but{
  width:750rpx;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  position: absolute;
  top:0;
  left:0;
}
.bottom_box{
  width:100%;
  position: absolute;
  bottom: 0;
  background: #fff;
  height: 710rpx;
  z-index:100；
}
.text_box{
  width:93%;
  margin: 72rpx auto 0;
}
.text_box text{
  font-size: 33rpx;
  display: block;
}
.inp_box{
  margin-top: 24rpx;
  border-bottom: 1px solid #dedede;
  padding-bottom: 24rpx;
}
.text_box .inp{
  display: inline-block;
  width:212rpx;
  height: 45rpx;
  font-size: 12px;
  text-align: center;
  background: #dedede;
  margin-left: 18rpx;
  border-radius: 106rpx;
}
.math{
  margin-top: 46rpx;
  width:100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.add_sub{
  display: inline-block;
}
.sub{
  width:62rpx;
  height: 45rpx;
  background: #dedede;
  border-top-left-radius:31rpx;
  border-bottom-left-radius:31rpx;
  color:#000;
  text-align: center;
  line-height: 45rpx;
}
.add{
  width:62rpx;
  height: 45rpx;
  background: #dedede;
  border-top-right-radius:31rpx;
  border-bottom-right-radius:31rpx;
  color:#000;
  text-align: center;
  line-height: 45rpx;
}
.num_text{
  width:90rpx;
  height: 45rpx;
  background: #dedede;
  text-align: center;
  line-height: 45rpx;
  margin: 0 3rpx;
}
.submit{
  width:100%;
  background: #595959;
  height: 105rpx;
  position: absolute;
  bottom:0;
  color:#fff;
  text-align:center;
  line-height: 105rpx;
}

.math text{
  display: inline-block;
}
.active{
  color:#ff4e00;
}
.actived{
  background: #ff4e00;
}



         

